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在asfd设置的克隆操作期间、Renamedg失败

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snapcenter
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snapx<a>2009年578267</a>
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适用场景

  • 适用于Oracle 4.8的SnapCenter插件

问题描述

在某些情况下、在执行asfd设置的克隆操作期间、renamedg会失败、并显示Linux unsupported错误:

renamedg -dgname DATA -newdgname SC_2090922_NCTESTDB asm_diskstring='/dev/mapper/3600a098038314671733f52343865726b','/dev/mapper/3600a098038314671733f523438657277','/dev/mapper/3600a098038314671733f523438657275','/dev/mapper/3600a098038314671733f523438657278','/dev/mapper/3600a098038314671733f523438657276','/dev/mapper/3600a098038314671733f523438657279','/dev/mapper/3600a098038314671733f52343865726e','/dev/mapper/3600a098038314671733f52343865727a','/dev/mapper/3600a098038314671733f52343865726f','/dev/mapper/3600a098038314671733f523438657330','/dev/mapper/3600a098038314671733f523438657270','/dev/mapper/3600a098038314671733f523438657331','/dev/mapper/3600a098038314671733f523438657271','/dev/mapper/3600a098038314671733f523438657332','/dev/mapper/3600a098038314671733f523438657272','/dev/mapper/3600a098038314671733f523438657333','/dev/mapper/3600a098038314671733f523438657273','/dev/mapper/3600a098038314671733f523438657334','/dev/mapper/3600a098038314671733f523438657274','/dev/mapper/3600a098038314671733f523438657335','/dev/mapper/3600a098038314671733f52343865726c','/dev/mapper/3600a098038314671733f523438657336','/dev/mapper/3600a098038314671733f52343865726d','/dev/mapper/3600a098038314671733f523438657337' verbose=true phase=both

ERROR: -9(Error 27072, OS Error (Linux-x86_64 Error: 95: Operation not supported

为此、Oracle支持人员建议 /dev/mapper/..   AFD:* 、在处理AFD受管磁盘时、应使用、而不是使用作为ASM_diskstring。
But将ASM_diskstring更改为only afd:*后,如下图所示,renamedg仍将dev/maper作为ASM_diskstring。

[grid@nctest ~]$ asmcmd dsget
parameter:AFD:*
profile:AFD:*

SQL> show parameter asm_diskstring

NAME                                 TYPE                              VALUE
------------------------------------ --------------------------------- ------------------------------
asm_diskstring                       string                            AFD:*



尽管 /dev/mapper asm_diskstring 已修改源数据库并为克隆创建了新备份、SCO仍会将其作为进行接管。

 

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